Income Taxes Components of current and deferred income tax expense (benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current provision (benefit)
Federal	$ 615,434	$ 430,686	$ 159,677
State and other	100,223	73,671	24,580
Current Income Tax Expense (Benefit)	715,657	504,357	184,257
Deferred provision (benefit)
Federal	55,653	57,743	116,484
State and other	50,931	1,425	21,114
Deferred Income Tax Expense (Benefit)	106,584	59,168	137,598
Income tax expense (benefit)	$ 822,241	$ 563,525	$ 321,855